Just check if any user has maintain authorizations for SU01/SU10 or PFCG using SUIM or the best possible way you would like to. You will have very few users or none, if you have good security design. Then check change documents for only those users not for all.

---------------Original Message---------------From: DileepSent: Monday, July 10, 2017 9:23 AMSubject: In SAP How To Find Self Assignment Of Transaction By Users.